<template>
  <div class="home">
    <div class="swiper-container">
      <div class="swiper-wrapper">
        <div
          class="swiper-slide"
          v-for="banner in banners"
          :key="banner.id"
        >
          <img :src="banner.imageUrl" alt="">
        </div>
      </div>
      <!-- 如果需要分页器 -->
      <div class="swiper-pagination"></div>

      <!-- 如果需要导航按钮 -->
      <div class="swiper-button-prev"></div>
      <div class="swiper-button-next"></div>
    </div>
  </div>
</template>

<script>
import { getBanners } from '@/api/home'
import Swiper from 'swiper'
import 'swiper/swiper.scss'

export default {
  name: 'Home',
  data () {
    return {
      banners: []
    }
  },
  created () {
    // 发起ajax请求
    getBanners().then(res => {
      console.log(res)
      this.banners = res
      // 在下次 DOM 更新后，创建 Swiper 对象
      this.$nextTick(() => {
        /* eslint-disable-next-line */
        new Swiper('.swiper-container', {
          autoplay: true, // 自动轮播
          loop: true, // 循环模式选项

          // 如果需要分页器
          pagination: {
            el: '.swiper-pagination'
          },

          // 如果需要前进后退按钮
          navigation: {
            nextEl: '.swiper-button-next',
            prevEl: '.swiper-button-prev'
          }
        })
      })
    })
  }
}
</script>

<style lang="scss" scoped>
  .home {
    .swiper-container {
      width: 100%;
      height: 0;
      padding-top: calc(100% * 378 / 1008);
      position: relative;
      .swiper-wrapper {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        img {
          width: 100%;
          height: 100%;
        }
      }
    }
  }
</style>
